1 July 1992 Rapid propagation techniques
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Abstract
We demonstrate that quantum-mechanical (or optical) path integrals for both time-invariant and time-varying potentials corresponding to longitudinally invariant and longitudinally varying refractive index distributions can be evaluated by a new set of accurate propagation procedures based on expressions for the exponential of any number of noncommuting operators as the product of exponentials of the individual operators.
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David Yevick, David Yevick, John Yu, John Yu, Bjorn Hermansson, Bjorn Hermansson, Moses Glasner, Moses Glasner, } "Rapid propagation techniques", Proc. SPIE 1679, Physics and Simulation of Optoelectronic Devices, (1 July 1992); doi: 10.1117/12.60473; https://doi.org/10.1117/12.60473
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